Key FeaturesE-Mount Lens/Full-Frame FormatAperture Range: f/2.8 to f/22Two Extra-Low Dispersion ElementsThree Aspherical and Two XA ElementsNano AR Coating and Fluorine CoatingDirect Drive Super Sonic Wave AF MotorsFocus Hold Button; AF/MF SwitchDust and Moisture-Resistant ConstructionEleven-Blade C..